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Compiling with g++ using multiple cores
Quick question: what is the compiler flag to allow g++ to spawn multiple instances of itself in order to compile large projects quicker (for example 4 source files at a time for a multi-core CPU)?
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Android: How to change the ActionBar “Home” Icon to be something other than the app icon?
...worked great. No need to mess with a custom theme or worry about affecting all the activities.
– Jason
Sep 20 '13 at 21:56
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PhantomJS failing to open HTTPS site
...still are using encryption, but --ignore-ssl-errors=true will ignore (duh) all ssl errors, including malicious ones.
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How to convert a string with comma-delimited items to a list in Python?
...xplained in any way in the answer text. While the question itself is not really clear, it should be made clear in the answer that the two solutions aren't equivalent alternatives, but differing interpretations of the question.
– Matteo Italia
Oct 12 '17 at 6:23...
Intelligent way of removing items from a List while enumerating in C#
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The best solution is usually to use the RemoveAll() method:
myList.RemoveAll(x => x.SomeProp == "SomeValue");
Or, if you need certain elements removed:
MyListType[] elems = new[] { elem1, elem2 };
myList.RemoveAll(x => elems.Contains(x));
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How to convert Set to String[]?
...'s recommended. Update the answer. "Since late updates of OpenJDK 6 this call was intrinsified, making the performance of the empty array version the same and sometimes even better, compared to the pre-sized version. Also passing pre-sized array is dangerous for a concurrent or synchronized collect...
How to use HTML to print header and footer on every printed page of a document?
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This did not work for me, I'm using Chrome 15.0. All it does is print the element where it would be on the screen, e.g. in the middle of the page, if that's where I scrolled to. It certainly doesn't print on every page.
– chharvey
Dec ...
Allow multiple roles to access controller action
Right now I decorate a method like this to allow "members" to access my controller action
9 Answers
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Is there a JSON equivalent of XQuery/XPath?
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Yup, it's called JSONPath. The source is now on GitHub.
It's also integrated into DOJO.
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How to break out of nested loops?
...ested loops:
use goto
use flags
factor out loops into separate function calls
Couldn't resist including xkcd here :)
source
Goto's are considered harmful but as many people in the comments suggest it need not be. If used judiciously it can be a great tool. Anything used in moderation is fun....